Vatech EzRay Chair User Manual Download Page 35

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4. Operation

EzRay Chair (VEX-S300C) User Manual

LISH

4.3

Positioning

Here are the specific angulations and directions for the tube head to take the best

images of a tooth (i.e.,

Bisected angle technique

Position the receptor carefully not to damage the soft tissue

of the patient’s intra-oral area.



Maxillary Incisor

The x-ray beam is directed downward at 45°.

Teeth

Angle of inclination

Incisor

Maxilla

+45˚



Mandibular Incisor

The x-ray beam is directed upward at 25°.

Teeth

Angle of inclination

Incisor

Mandible

25˚

Summary of Contents for EzRay Chair

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Page 5: ...he equipment always and review the operating procedures and safety instructions if needed The illustrations photos of the equipment in this manual are only for illustration purposes The actual equipme...

Page 6: ...Notice ii EzRay Chair VEX S300C User Manual This page intentionally left blank...

Page 7: ...Instructions 10 3 System Overview 13 3 1 Indications for Use 13 3 2 Principles of Operation 13 3 3 Intended User Profile 13 3 4 Components 14 3 5 Features 15 3 6 General View of the Equipment 16 4 Op...

Page 8: ...ay Chair VEX S300C User Manual Appendix 55 A 1 Using the rotating rectangular cover 55 A 2 Tables of Exposure Times Default 57 A 3 X ray Dose Data 58 A 4 Electromagnetic Compatibility EMC Information...

Page 9: ...manual The equipment damage or malfunction is not the result of an error on the part of the owner or operator 1 2 Owner and Operator s Obligations The owner of this equipment shall perform constancy...

Page 10: ...the equipment please observe all warnings and safety information included in this document Indicates a potentially hazardous situation and improper handling may result in Serious bodily injury User or...

Page 11: ...Generator Generator Label Protective earth Ground Power Box Base Off power disconnected to the Main Power Switch Main Power Switch On power connected to the Main Power Switch Main Power Switch IEC606...

Page 12: ...ain Label Generator Label Date of manufacture Generator Label Serial Number Generator Label This symbol indicates that electrical and electronic equipment should not be treated as unsorted municipal w...

Page 13: ...1 General and Regulatory Information EzRay Chair VEX S300C User Manual 5 ENGLISH 1 4 1 Label Locations 1 UDI Label 2 Main Label 2 1 2 3...

Page 14: ...1 General and Regulatory Information 6 EzRay Chair VEX S300C User Manual 3 Generator Label The labels in this manual are only for illustration purposes Actual labels may differ...

Page 15: ...01 1 14 CAN CSA C22 2 No 60601 1 3 09 CAN CSA C22 2 No 60601 1 6 11 CAN CSA C22 2 No 60601 2 65 15 CAN CSA IEC 62366 14 ANSI AAMI ES60601 1 2005 R 2012 AND A1 2012 C1 2009 R 2012 AND A2 2010 R 2012 Co...

Page 16: ...1 General and Regulatory Information 8 EzRay Chair VEX S300C User Manual This page intentionally left blank...

Page 17: ...instructions contained in this manual This equipment must only be operated by legally qualified persons Observe all local fire regulations Always keep a fire extinguisher near the equipment The equip...

Page 18: ...pment as this could cause a fire DO NOT place flammable materials near this equipment Never expose this equipment to liquids mists or sprays Exposing this equipment to liquids may cause an electrical...

Page 19: ...uch as a lead apron thyroid collar et cetera Pregnant women should not be exposed to X rays unless it is strictly necessary All users should comply with the Radiation Protection Policies established b...

Page 20: ...2 Safety Instructions 12 EzRay Chair VEX S300C User Manual This page intentionally left blank...

Page 21: ...iples of Operation X rays are emitted when a high voltage is supplied to the X ray tube assembly which frees electrons from the cathode They hit anode to produce X rays The equipment acquires images b...

Page 22: ...Remote Exposure Switch 1 10 Remote Exposure Switch Doorbell type 1 11 Remote Exposure Switch Cable Doorbell type 1 12 Door Interlock Cable 1 14 Rectangular Cover 2x3 1 15 Rectangular Cover 4x3 1 16 R...

Page 23: ...system that offers safety reliability and greater functionality Ergonomic design and shape for safety and comfort of patients Easy to use Control Panel that provides a straightforward process Full swi...

Page 24: ...3 System Overview 16 EzRay Chair VEX S300C User Manual 3 6 General View of the Equipment Main Body 1 2 3 4 5 6 7 14 13 12 11 10 9 8...

Page 25: ...n Unit Supports the whole part of the equipment 7 Base Unit Balances the equipment and maintains its safety 8 Chair The chair is used for patient positioning 9 X ray Generator Assembly Includes the X...

Page 26: ...canine molar premolar bitewing 5 X ray Exposure Indicator Indicates the X ray exposure status Green Ready Yellow X ray ON 6 SET Button with LED lamp Resets the X ray exposure angle SET button is press...

Page 27: ...r can be used as both 4x3 and 3x4 Performs the same function as the Rectangular Cover Moreover Rectangular Cover rotates in 360 degrees and adjustable in 90 degree and 10 degree increments ABS Acrylon...

Page 28: ...n Photo Option name Usage Material 7 Door Interlock Cable Used to connect the Door Interlock Switch to the Door Interlock Cable Connector on the bottom of the Power Box Assembly PVC Refer to the Appen...

Page 29: ...o the following figure and table 2 The following displays light up For further information see Control Panel on page 17 Symbol Power On Off Status Power On Power Off Main Power On Off switch 1 Current...

Page 30: ...User Manual 4 2 Operation Mode This system can be operated with Manual Mode and Auto Mode and you can set up the mode by using the AUTO button Manual Mode 1 To start the Manual Mode check if the lamp...

Page 31: ...tooth type selection area is blinking turn the jog dial to select the tooth type Refer to the figure below before and after selecting the control panel Before tooth type selection After tooth type sel...

Page 32: ...ection Patient Type Symbol Type Adult Child After the tooth type and patient type are selected the exposure time is automatically displayed 4 If you want to change the exposure time turn the jog dial...

Page 33: ...AUTO the default angle is displayed as shown in the following figure To set the starting point during exposure press SET 2 Position the system to the teeth to perform exposure To see how to perform th...

Page 34: ...following table Tooth Type Angle of Inclination Incisor Maxilla 40 50 Mandible 22 28 Canine Maxilla 40 50 Mandible 17 23 Molar Premolar Maxilla 25 35 Mandible 2 8 Bitewing 3 12 Since the angles of inc...

Page 35: ...t images of a tooth i e Bisected angle technique Position the receptor carefully not to damage the soft tissue of the patient s intra oral area Maxillary Incisor The x ray beam is directed downward at...

Page 36: ...EX S300C User Manual Maxillary Canine The x ray beam is directed downward at 45 Teeth Angle of inclination Canine Maxilla 45 Mandibular Canine The x ray beam is directed upward at 20 Teeth Angle of in...

Page 37: ...H Maxillary Molar and Premolar The x ray beam is directed downward at 30 Teeth Angle of inclination Molar and Premolar Maxilla 30 Mandibular Molar and Premolar The x ray beam is directed upward at 5 T...

Page 38: ...Chair VEX S300C User Manual Bitewing For a bitewing exposure the patient closes their teeth during exposure on the sensor holder The x ray beam is directed downward at 5 8 Teeth Angle of inclination B...

Page 39: ...aralleling technique generally reduces the risk of such errors but if you position the sensor improperly angulation errors may occur angulation of the sensor to the tooth itself Failure to align the i...

Page 40: ...oving during the entire exposure 1 Instruct the patient not to move 2 Press and hold the Remote Exposure Switch for exposure duration The Remote Exposure Switch allows the operator to control image ac...

Page 41: ...ow X ray ON Control Panel Remote Exposure Switch The Remote Exposure Switch is detachable Ensure that the Remote Exposure Switch cable is not detached out from the unit accidentally during the operati...

Page 42: ...Power Cable Connector The standard and optional Remote Exposure Switches and the Door Interlock Cable are connected to the PORT 1 2 Please check all six possible options in the table below Option No E...

Page 43: ...ot applicable AC power cable option 1 Remote Exposure Switch Doorbell type Standard Option 4 Press 1 AC power cable option 1 Remote Exposure Switch Doorbell type Standard 2 Door interlock cable Option...

Page 44: ...4 Operation 36 EzRay Chair VEX S300C User Manual This page intentionally left blank...

Page 45: ...de Check Parameter Description E 02 X ray Generator Error related to X ray exposure is not possible to exposure X ray in the state while E 02 E 03 E 04 E 05 where power is maintained After X ray expos...

Page 46: ...0 Remote Exposure Switch is pressed but X ray exposure does not work Contact your Service Representative Internal cable disconnected Contact your Service Representative Defective generator Contact you...

Page 47: ...Daily Ensure the audible signal is audible and the X ray exposure light is visible when you perform an exposure Daily Ensure that the wall framework is securely attached to the wall Daily Ensure that...

Page 48: ...6 User Maintenance 40 EzRay Chair VEX S300C User Manual This page intentionally left blank...

Page 49: ...ow the Cleaners or disinfectant agents instructions for use When cleaning or disinfect the surfaces always disconnect the equipment from mains Do not use spray cleaner or disinfectant directly onto th...

Page 50: ...tems that have been in frequent contact with patients and operators Do not use UV systems to disinfect the equipment as exposed parts of the device can turn yellow or discolor The use of unsuitable Cl...

Page 51: ...rmer Copper Packing Polystyrene Cardboard Paper X ray tube Other parts Observe all regulations relevant to the disposal of waste in your country This symbol on the product and accompanying documents m...

Page 52: ...8 Disposing of the Unit 44 EzRay Chair VEX S300C User Manual This page intentionally left blank...

Page 53: ...9 Product Specifications EzRay Chair VEX S300C User Manual 45 ENGLISH 9 Product Specifications 9 1 Mechanical Specifications Dimensions...

Page 54: ...9 Product Specifications 46 EzRay Chair VEX S300C User Manual...

Page 55: ...9 Product Specifications EzRay Chair VEX S300C User Manual 47 ENGLISH...

Page 56: ...9 Product Specifications 48 EzRay Chair VEX S300C User Manual...

Page 57: ...Scissor Arm Max 1054 W Max Rotational Radius Column Center Max 1026 R Base Assembly 465 W x 589 L x 1500 H 31 Arm Assembly Released Status 845 L x 694 H 7 8 Power Box Assembly 140 W x 73 L x 340 H 1...

Page 58: ...istor 65 C Inherent Filtration 1 8 mm Al 65 kV Total Filtration Min 1 5 mm Al Type Inverter Type Tube Voltage 55 65 kV Tube Current 1 0 3 0 mA X ray Tube Manufacturer VATECH Co Ltd Model V1 650304 Sta...

Page 59: ...9 Product Specifications EzRay Chair VEX S300C User Manual 51 ENGLISH X ray Tube Characteristics 1 Maximum rating chart 2 Emission characteristics 3 Heating and cooling curves of the X ray tube...

Page 60: ...9 Product Specifications 52 EzRay Chair VEX S300C User Manual 4 Tube Dimensions mm...

Page 61: ...tion Continuous operation with cyclic loading This equipment needs a rest time of at least 60 times the exposure time before starting the next exposure Standard Permanently installed Option AC Power C...

Page 62: ...al 9 4 Environmental Specifications Item Description During operating Temperature 10 35 Relative humidity 30 75 Atmospheric pressure 860 1060 hPa Transport and storage Temperature 10 60 Relative humid...

Page 63: ...ix A 1 Using the rotating rectangular cover Rotating rectangular cover rotates in 360 degrees Rotating rectangular cover consists of the Outer Ring and the Inner Ring The Outer Ring rotates in 90 degr...

Page 64: ...ting rectangular cover 45 degrees and check the Click sound to make sure the assembly is complete 2 Turn the Outer Ring of the rotating rectangular cover to adjust the angle roughly 3 Turn the Inner R...

Page 65: ...m 8 inch respectively Receptor Patient Teeth Angle of inclination SSD 200 mm 8 inch kV mA s Sensor Adult Incisor Maxilla 45 Mandible 25 65 3 0 0 14 Canine Maxilla 45 Mandible 20 65 3 0 0 16 Molar Prem...

Page 66: ...zRay Chair VEX S300C Tube Model Name V1 650304 Generator Model Name DG S0102V1 Inverter type Loading Factor 65 kV 3 0 mA A 3 1 X ray Dose Table Test Equipment Instrument Manufacturer Model S N Multi D...

Page 67: ...Appendix EzRay Chair VEX S300C User Manual 59 ENGLISH Dose Area Product DAP Table 65 kVp 3 0 mA SSD 200 mm FOV 6 cm FOV 4 x 3 cm FOV 2 x 3 cm 0 45 30 32 12 87 6 44 0 50 33 78 14 34 7 17...

Page 68: ...m from the FOCAL SPOT average over an any area of 100 cm2 of which no principal linear dimension exceeds 20 cm when operated at the NOMINAL X RAY TUBE VOLTAGE under condition of LOADING corresponding...

Page 69: ...ver type default rectangular 2x3 and rectangular 4x3 all the results have been ND Not Detected The raw data about the results are shown in the table below The result Horizontal Plane Direction Default...

Page 70: ...D ND ND 290 ND ND ND 315 ND ND ND 335 ND ND ND The result Vertical Plane Direction Default type Rectangular 2x3 Rectangular 4x3 mGy h mGy h mGy h 0 ND ND ND 20 ND ND ND 45 ND ND ND 65 ND ND ND 90 ND N...

Page 71: ...l 63 ENGLISH Direction Default type Rectangular 2x3 Rectangular 4x3 mGy h mGy h mGy h 200 ND ND ND 225 ND ND ND 245 ND ND ND 270 ND ND ND 290 ND ND ND 315 ND ND ND 335 ND ND ND ND Not Detected The det...

Page 72: ...Scattered Dose Scope IEC 60601 2 65 203 13 Requirements ME EQUIPMENT shall be provided with means to optionally allow actuation of the IRRADIATION from a PROTECTED AREA after installation Relevant ins...

Page 73: ...ds to a focus to skin distance of 200 mm 8 inch respectively Method PMMA Phantom aligned to 280 mm away from Focal Spot with Position Indicating Device 80 mm 65 kVp 3 0 mA 0 5 s Max Exposure Condition...

Page 74: ...Ray Chair VEX S300C User Manual Direction Gy h 200 0 48 225 1 62 245 2 20 270 3 50 290 2 87 315 3 44 335 3 78 The result Vertical Plane Direction Gy h 0 7 20 20 3 58 45 4 83 65 5 48 90 9 52 110 5 77 1...

Page 75: ...Appendix EzRay Chair VEX S300C User Manual 67 ENGLISH Direction Gy h 180 5 86 200 3 35 225 0 89 245 0 43 270 0 09 290 0 31 315 1 43 335 4 85...

Page 76: ...gy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions CISPR 11 Class A The EzRay Chair VEX...

Page 77: ...5 1 kV line s to line s 2 kV line s to earth 1 kV line s to line s 2 kV line s to earth Main power quality should be that of a typical commercial or hospital environment Voltage dips short interrupti...

Page 78: ...than 3 V m Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 These guidelines may not apply in all situations Electromagnetic propagation is affected by absor...

Page 79: ...Electrostatic Discharge FOV Field of View IEC International Electro technical Commission ISO International Standards Organization LED Light Emitting Diode ME Medical Electrical PMMA PolyMethylMethAcry...

Page 80: ...0 Appendix 72 EzRay Chair VEX S300C User Manual This page intentionally left blank...

Page 81: ...tive Manufactured by VATECH Co Ltd Tel 82 1588 9510 Email gcs vatech co kr Website www vatech co kr Head Quarters Address 13 Samsung 1 ro 2 gil Hwaseong si Gyeonggi do 18449 Korea Factory Address 13 S...

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